fix: zero gpu duration in seconds

model.py

@@ -17,9 +17,9 @@ def load_model():
 def get_gpu_duration(audio: str) -> int:
     y, sr = librosa.load(audio)
     duration = librosa.get_duration(y=y, sr=sr) / 60.0
-    gpu_duration = (duration + 59.0) // 60.0
+    gpu_duration = max(1.0, (duration + 59.0) // 60.0) * 60.0
     print(f"{duration=}, {gpu_duration=}")
-    return max(1, int(gpu_duration))
+    return int(gpu_duration)
 
 
 @spaces.GPU(duration=get_gpu_duration)